CN210240810U - High-wear-resistance composite reinforced polyethylene structure wall winding pipe - Google Patents
High-wear-resistance composite reinforced polyethylene structure wall winding pipe Download PDFInfo
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- CN210240810U CN210240810U CN201920772957.6U CN201920772957U CN210240810U CN 210240810 U CN210240810 U CN 210240810U CN 201920772957 U CN201920772957 U CN 201920772957U CN 210240810 U CN210240810 U CN 210240810U
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Abstract
The utility model discloses a high wear-resistant composite reinforced polyethylene structural wall winding pipe, which comprises a pipe body and a reinforcing rib; the inner wall of the pipe body is covered with a wear-resistant layer; the strengthening rib heliciform encircles the body outer wall, the strengthening rib links firmly the body outer wall, the strengthening rib includes the reinforcement, the reinforcement surface covering has the articulamentum, the articulamentum with the body hot melt is connected, the body includes basic strip, the basic strip is helical structure, the wearing layer includes wear-resisting strip, wear-resisting strip is helical structure. The utility model discloses intensity is higher, and wear resistance is good, and the life-span is longer.
Description
Technical Field
The utility model relates to a drainage tubular product field especially relates to high wear-resisting compound enhancement polyethylene structure wall winding pipe.
Background
Although polyethylene plastic drain pipes have been used for many years, the traditional polyethylene drain pipes are mainly divided into two types according to the materials of a reinforced structure, one type is a polyethylene drain pipe material reinforced by a metal structure, and when the pipe material is buried in the ground and used, after the pipe material is deformed due to the change of the geological environment, metal easily leaks out to generate corrosion, so that the rigidity of the pipe material ring is reduced, and the pipe material is collapsed or leaked. The other type is a drainage pipe material which uses polyethylene consistent with the material of the pipe body as a reinforced structure, and the strength of the polyethylene material is not high, so that the reinforcing effect is poor. Because the traditional polyethylene drain pipe has the problems, the market urgently needs a corrosion-resistant and low-cost polyethylene drain pipe. In addition, the main body of the pipe wall of the traditional polyethylene drain pipe only comprises polyethylene, and because the wear resistance of polyethylene plastics is general and the components of fluid conveyed by the drain pipe are complex, and many solid particles or other impurities greatly abrade the pipe wall, the service life of the traditional polyethylene drain pipe is short. In order to improve the service life of the pipe, the inner wall of the pipe needs to be designed to be wear-resistant.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at providing high wear-resisting compound enhancement polyethylene structure wall winding pipe, intensity is higher, and wear resistance is good, and the life-span is longer.
In order to achieve the purpose, the utility model adopts the following technical proposal to realize:
the utility model discloses a high wear-resistant composite reinforced polyethylene structural wall winding pipe, which comprises a pipe body and a reinforcing rib; the inner wall of the pipe body is covered with a wear-resistant layer; the strengthening rib heliciform encircles the body outer wall, the strengthening rib links firmly the body outer wall, the strengthening rib includes the reinforcement, the reinforcement surface covering has the articulamentum, the articulamentum with the body hot melt is connected, the body is the winding tubular construction of making by basic strip, basic strip is helical structure, the wearing layer is the winding tubular construction of making by wear-resisting strip, wear-resisting strip is helical structure.
Preferably, the pitch of the base strip is < the width of the strip, and the overlapping parts of the base strip are connected by hot melting.
Preferably, the thread pitch of the wear-resistant strip is less than the width of the belt, and the overlapping parts of the wear-resistant strip are connected in a hot melting mode.
Preferably, the base strip and the wear-resistant strip are thermally composite connected.
Preferably, the base strip is made of polyethylene, and the wear-resistant strip is any one of modified polyethylene, an ultrahigh molecular wear-resistant material, a polyethylene nano material and a rubber elastomer.
Preferably, the reinforcing rib is any one of a trapezoid, a rectangle and a circle with a wide bottom and a narrow top.
Preferably, the bottom surface of the reinforcing rib is of a concave-convex structure.
Preferably, the reinforcement is a hollow structure.
The manufacturing method of the pipe comprises the following steps:
a) preparing a manufacturing material, wherein the manufacturing material comprises a base strip and a wear-resistant strip;
b) extruding a composite strip containing a basic strip and a wear-resistant strip by two extruders through a co-extrusion die;
c) spirally winding the composite strip at high temperature, wherein the pitch of the composite strip in the winding process is smaller than the width of the composite strip, so that the overlapped parts of the composite strip are fused and connected to form a pipe body;
d) extruding the reinforcing ribs by adopting a composite co-extrusion die by adopting other two extruders, wherein the bottom surfaces of the reinforcing ribs are of concave-convex structures;
e) cooling the reinforcing ribs, then drawing the reinforcing ribs to a pipe body winding station, heating and softening the reinforcing ribs, and heating the bottom surfaces of the reinforcing ribs to a semi-molten state;
f) and (3) thermally compounding and connecting the reinforcing ribs with the pipe at high temperature through pressure.
Preferably, step c and step f are performed simultaneously.
Preferably, in the step b, the thicknesses of the base strip and the wear-resistant strip can be controlled by controlling the rotating speeds of the two extruders during extruding the composite strip, so that strips with different thicknesses can be obtained.
The utility model has the advantages that:
1. the utility model discloses use the method of winding manufacturing, can make the great tubular product of bore.
2. The utility model discloses a strengthening rib structure, corrosion resisting property obtains guaranteeing when having promoted the intensity of tubular product.
3. The utility model discloses set up the wearing layer, improved life.
4. The utility model discloses a hot melt state is connected with the material, and combined strength is higher.
Drawings
FIG. 1 is a cross-sectional view of a tube;
FIG. 2 is a cross-sectional view of a reinforcing bar;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1-basic strip, 2-wear-resistant strip, 3-connecting layer, 4-reinforcement and 5-thermal compounding position.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the high wear-resistant composite reinforced polyethylene structural wall winding pipe comprises a pipe body and reinforcing ribs; the inner wall of the pipe body is covered with a wear-resistant layer; the reinforcing rib is spirally wound on the outer wall of the pipe body and fixedly connected with the outer wall of the pipe body, the reinforcing rib comprises a reinforcing body 4, a connecting layer 3 covers the outer surface of the reinforcing body 4, the connecting layer 3 is in hot-melt connection with the pipe body, the pipe body comprises a base strip 1, the base strip 1 is in a spiral structure, the wear-resistant layer comprises a wear-resistant strip 2, the wear-resistant strip 2 is in a spiral structure, the pitch of the base strip 1 is less than the bandwidth, the overlapping part of the base strip 1 is in hot-melt connection, the pitch of the wear-resistant strip 2 is less than the bandwidth, the overlapping part of the wear-resistant strip 2 is in hot-melt connection, the base strip 1 and the wear-resistant strip 2 are in thermal composite connection, the base strip 1 is made of polyethylene, the wear-resistant strip 2 is any one of modified polyethylene, ultra, the reinforcing rib is in a trapezoid shape with a wide bottom and a narrow top, the bottom surface of the reinforcing rib is in a concave-convex structure, and the reinforcement body 4 is in a hollow structure.
The process of the high-wear-resistance composite reinforced polyethylene structure wall winding pipe comprises the following steps: after raw materials are prepared, firstly, two extruders are adopted to extrude a composite strip containing a base strip 1 and a wear-resistant strip 2 through a co-extrusion die, the thicknesses of the base strip 1 and the wear-resistant strip 2 can be controlled by controlling the rotating speeds of the two extruders when the composite strip is extruded, so that strips with different thicknesses can be obtained, products with different wear-resistant properties can be further manufactured to meet different use requirements, then the strip is spirally wound, the winding pitch is smaller than the width of the strip in the winding process, so that the left side and the right side of the strip are overlapped together, the overlapping of the strips is continuously carried out in a molten state, so that the strip is ensured to form a cylindrical pipe body after being cooled, and as the compounding of the composite strip is carried out under the condition of higher temperature, the materials at a hot compounding position 5 are fused together to form a continuous pipe body after being cooled, the strength of the thermal compounding part 5 can meet the use requirement, the thermal compounding performance of the material at high temperature needs to be considered in the process, and the performance consistency of all parts of the pipe is ensured by controlling parameters such as temperature, speed and the like. When a pipe body with a wear-resistant layer on the inner wall is formed by winding, reinforcing ribs with a double-layer structure are extruded by another two extruders through a composite co-extrusion die, a reinforcing body 4 is arranged in each reinforcing rib, the outer wall of each reinforcing body 4 is made of polyethylene so as to be thermally compounded with polyethylene materials on the outer surface of a pipe wall main body, the reinforcing body 4 is made of a composite reinforcing material with better strength so as to improve the strength of each reinforcing body 4, each reinforcing body 4 can be of a hollow or solid structure, the cross section of each reinforcing body 4 can be rectangular, trapezoidal or circular, and the like, the reinforcing ribs formed by composite extrusion are pulled to a pipe winding station after being initially cooled, the whole reinforcing ribs are heated and softened so as to be wound, the bottom surfaces of the reinforcing ribs are heated to a semi-molten state, and due to the fact that the concave-convex structures like the saw-toothed structures are arranged on the bottom, so the reinforcing ribs can be firmly integrated with the main body of the pipe wall.
The winding of the reinforcing rib and the winding of the composite strip are carried out simultaneously, a pressing mechanism is required to apply proper pressure to the reinforcing rib in the winding process to ensure the reliability of thermal compounding between the reinforcing rib and the pipe body, and finally, after the pipe is cooled, other links such as fixed-length cutting, inspection and warehousing are carried out.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (7)
1. High wear-resisting compound enhancement polyethylene structure wall winding pipe, its characterized in that: comprises a pipe body and a reinforcing rib;
the inner wall of the pipe body is covered with a wear-resistant layer;
the reinforcing rib spirally surrounds the outer wall of the pipe body, the reinforcing rib is fixedly connected with the outer wall of the pipe body, the reinforcing rib comprises a reinforcing body (4), a connecting layer (3) covers the outer surface of the reinforcing body (4), and the connecting layer (3) is in hot-melt connection with the pipe body;
the pipe body is a winding pipe structure manufactured by a basic strip (1), and the basic strip (1) is a spiral structure;
the wear-resistant layer is a winding pipe structure made of wear-resistant strips (2), and the wear-resistant strips (2) are spiral structures.
2. The high abrasion resistant composite reinforced polyethylene structural wall wound pipe of claim 1, wherein: the pitch of the basic strip (1) is less than the bandwidth, and the overlapped parts of the basic strip (1) are connected in a hot melting mode.
3. The high abrasion resistance composite reinforced polyethylene structural wall wound pipe of claim 2, wherein: the screw pitch of the wear-resistant strip (2) is less than the belt width, and the overlapping parts of the wear-resistant strip (2) are in hot-melt connection.
4. The high abrasion resistance composite reinforced polyethylene structural wall wound pipe of claim 3, wherein: the base strip (1) and the wear-resistant strip (2) are in thermal composite connection.
5. The high abrasion resistance composite reinforced polyethylene structural wall wound pipe of claim 4, wherein: the base strip (1) is made of polyethylene, and the wear-resistant strip (2) is made of any one of modified polyethylene, an ultrahigh molecular wear-resistant material, a polyethylene nano material and a rubber elastomer.
6. The high abrasion resistant composite reinforced polyethylene structural wall wound pipe of claim 1, wherein: the reinforcing rib is any one of trapezoid, rectangle and circle with wide bottom and narrow top, and the bottom surface of the reinforcing rib is of a concave-convex structure.
7. The high abrasion resistant composite reinforced polyethylene structural wall wound pipe of any one of claims 2 to 6, wherein: the reinforcement body (4) is of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772957.6U CN210240810U (en) | 2019-05-27 | 2019-05-27 | High-wear-resistance composite reinforced polyethylene structure wall winding pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772957.6U CN210240810U (en) | 2019-05-27 | 2019-05-27 | High-wear-resistance composite reinforced polyethylene structure wall winding pipe |
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| CN210240810U true CN210240810U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056718A (en) * | 2019-05-27 | 2019-07-26 | 四川胜煌创世管业有限公司 | High abrasion composite reinforced polyethylene structure wall winding tube and its manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056718A (en) * | 2019-05-27 | 2019-07-26 | 四川胜煌创世管业有限公司 | High abrasion composite reinforced polyethylene structure wall winding tube and its manufacturing method |
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